Seiko Cal. 3856 - 377

This Kinetic model from 1971 features a 41mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-98b30b847c5f]

Also known as: Monster, Sumo

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1971

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